συντελεῖν

From LSJ

Μηκέθ᾽ ὅλως περὶ τοῦ οἷόν τινα εἶναι τὸν ἀγαθὸν ἄνδρα διαλέγεσθαι, ἀλλὰ εἶναι τοιοῦτον. → Waste no more time arguing what a good man should be. Be one.

Source

Greek > English (Woodhouse Verbs Reversed)

(see also συντελέω): contribute, be reckoned among, club together